Chapter 13: Cold-blooded Vertebrates

Front

What are living endoskeletons made of?

Back

A combination of bone and cartilage.

Front

What is the function of the vertebral column?

Back

Supports the body and protects the spinal cord.

Front

What does the skull protect?

Back

The brain.

Front

What is the difference between endotherms and ectotherms?

Back

Endotherms regulate body temperature internally, while ectotherms rely on external means.

Front

What is the advantage of being an endotherm?

Back

They can be active regardless of the environmental temperature.

Front

How do some animals cool themselves when they become too hot?

Back

Blood vessels in their skin expand, allowing blood to flow near the surface for cooling.

Front

What is the purpose of the circulatory system in vertebrates?

Back

Transports substances such as oxygen and nutrients throughout the body.

Front

What are the major parts of the circulatory system?

Back

Blood and heart.

Front

What is the function of arteries?

Back

Carry blood away from the heart.

Front

What is the function of veins?

Back

Return blood to the heart.